- Qingdao Junzheng Machinery Manufacture Co., Ltd.
- Casting, Pipe Fittings, Check Valve, Flange, Bellows Expansion Joint, Manhole Cover, Machinery Parts, Spare Parts, Butterfly Valve, Gate Valve
Shandong
- Weifang Changle Jixiang Casting Co., Ltd.
- Sand Casting
Shandong
- Shandong Great Steel Co., Ltd
- Welded Steel Pipe,Ductile Iron Pipe,Seamless Steel Pipe
Shandong
- Qingdao Tianluping Metal Products Co., Ltd.
- Precision Casting Parts, Investment Casting, Lost Wax Casting, Metal Processing Products, Sand Casting, Die Casting, Mechanical Parts & Fabrication Services, Marine Hardware, Agricultural Machinery, Food Machinery
Shandong